- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/348 - Metallic compounds
Patent holdings for IPC class C01B 32/348
Total number of patents in this class: 132
10-year publication summary
|
5
|
6
|
9
|
14
|
9
|
14
|
16
|
14
|
12
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3589 |
6 |
| CPC Corporation, Taiwan | 74 |
4 |
| Honeycomb Battery Company | 405 |
4 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1443 |
3 |
| II-VI Delaware, Inc. | 1623 |
3 |
| Kansai Coke and Chemicals Co., Ltd. | 25 |
3 |
| Sekisui Chemical Co., Ltd. | 3614 |
3 |
| Shandong University | 1152 |
3 |
| Tohoku Techno Arch Co., Ltd. | 122 |
3 |
| Tokai Carbon Korea Co., Ltd. | 55 |
3 |
| TPR Co., Ltd. | 171 |
3 |
| China Petroleum & Chemical Corporation | 2152 |
2 |
| Evoqua Water Technologies LLC | 930 |
2 |
| Farad Power, Inc. | 12 |
2 |
| King Fahd University of Petroleum and Minerals | 1572 |
2 |
| Korea University Research and Business Foundation | 3266 |
2 |
| MC Evolve Technologies Corporation | 8 |
2 |
| National University of Singapore | 2583 |
2 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
2 |
| National University Corporation Tokai National Higher Education and Research System | 868 |
2 |
| Other owners | 76 |